Vorlage:Lewis & Tweddle, 1991
Aus WORLDFISH WIKI
- Lewis, D. & Tweddle, D. 1991. The yield of Usipa (Engraulicypris sardella) from the Nankumba Peninsula, Lake Malawi (1985–86). Collected Reports of Fisheries Research in Malawi, Occasional Papers, 1: 57–66.